Microwave leak detector



FIG. 1 is a top, front, and left side perspective view of a microwave leak detector showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a left side elevational view, the right side being a mirror image;

FIG. 4 is a bottom plan view;

FIG. 5 is a front elevational view; and

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a microwave leak detector, as shown and described. 